Chapter 22, Problem 43E

(a)

Interpretation Introduction

To determine: The balanced chemical equation for the reduction of ${\text{Fe}}^{3+}$ to ${\text{Fe}}^{2+}$ using hydrogen sulfide.

(b)

Interpretation Introduction

To determine: The balanced chemical equation for the reduction of ${\text{Br}}_{\text{2}}$ to ${\text{Br}}^{-}$ using hydrogen sulfide.

(c)

Interpretation Introduction

To determine: The balanced chemical equation for the reduction of ${\text{MnO}}_{\text{4}}{}^{-}$ to ${\text{Mn}}^{2+}$ using hydrogen sulfide.

(d)

Interpretation Introduction

To determine: The balanced chemical equation for the reduction of ${\text{HNO}}_3$ to ${\text{NO}}_2$ using hydrogen sulfide.